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The Influence of Mechanical Surface Preparation Methods on Southern Pine and Spotted Gum Wood Properties: Wettability and Permeability

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Leggate, W., McGavin, R. L., Miao, C., Outhwaite, A., Chandra, K. A., Dorries, J. W., Kumar, C. and Knackstedt, M. (2020) The Influence of Mechanical Surface Preparation Methods on Southern Pine and Spotted Gum Wood Properties: Wettability and Permeability. BioResources, 15 (4). pp. 8554-8576. ISSN 1930-2126

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Article Link: https://ojs.cnr.ncsu.edu/index.php/BioRes/article/...

Abstract

The demand for engineered wood products (EWPs) continues to rise internationally. However, for some important Australian commercial timbers such as plantation grown southern pine and native forest sourced spotted gum, a major impediment to achieving commercially viable EWP production is difficulties experienced in gluing – particularly for sawn laminate based EWPs such as glulam. Wettability and permeability have a major influence on wood adhesion. This study investigated the efficacy of different surface machining preparations on the wettability and permeability of southern pine and spotted gum. For both species, planing resulted in poor wettability, whereas face milling and sanding treatments post-planing improved wettability. Wettability increased in southern pine earlywood compared to latewood; and wettability decreased for both species with increased time post-surface machining. Planing resulted in the highest permeability for southern pine but the lowest permeability for spotted gum. Face milling resulted in higher permeability compared to sanding treatments.

Item Type:Article
Business groups:Horticulture and Forestry Science, Animal Science
Keywords:Wood surface machining; Wood wettability; Wood permeability; Wood adhesion; Pinus elliottii; Pinus caribaea; Corymbia citriodora subsp. variegata
Subjects:Forestry > Research. Experimentation
Forestry > Forestry machinery and engineering
Forestry > Tools and implements
Forestry > Exploitation and utilization
Live Archive:26 Oct 2020 21:24
Last Modified:22 Nov 2022 05:12

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